89
HCD-M333
• IC704 MB89537ACPFM-G-405-BND USB-I2C CONVERTER (MD DIGITAL Board)
Pin No.
1 to 10
11
12
13
14
15
16
17
18
19
20, 21
22
23
24
25 to 47
48
49
50
51
52
53
54, 55
56
57 to 60
61
62
63, 64
I/O
—
—
—
—
I
I
I
I
—
I
I
I
O
—
—
I
—
—
O
O
I
—
—
—
I/O
I/O
—
Pin Name
NC
AVCC
AVR
AVSS
REQ
P.DOWN
BUSY
SLEEP
NC
XRST
MOD0, MOD1
X0
X1
VSS
NC
I2CBUSY
NC
C
CLK
TX
RX
NC
VCC
NC
IC2DATA
I2CCLK
NC
Description
Not used (open)
Power supply terminal (A/D converter)
Reference voltage terminal (A/D converter)
Ground terminal (A/D converter)
Transfer request signal input from the USB I/F (IC703)
System power down detection signal input
BUSY signal input from the USB I/F (IC703)
SLEEP signal input from the USB I/F (IC703)
Not used (open)
Reset signal input
Mode setting terminal (connected to the ground)
Main clock input (10MHz)
Main clock output (10MHz)
Ground terminal
Not used (open)
I2C BUSY signal input (fixed at “H”)
Not used (open)
Capacitor connection terminal
Serial clock output to the USB I/F (IC703)
Serial data output to the USB I/F (IC703)
Serial data input from the USB I/F (IC703)
Not used (open)
Power supply terminal
Not used (open)
I2C communication data input/output
I2C communication clock input/output
Not used (open)
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9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
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TEL 13942296513 QQ 376315150 892498299